Power List 2013: TIM COOK

When Cook took charge of the tech giant in late 2011, many regarded the enigmatic successor with skepticism. But over the past year, the CEO has guided Apple through significant upgrades on all of the company’s product lines and led the brand’s market share to increase to 20% of all money spent on U.S. consumer technology, up 2% from 2011. And did we mention Cook sat next to Michelle Obama at the State of the Union address?